Company lists · Data refreshed September 2026

Top 25 Digital advertising law firms worldwide

Name: Digital advertising law firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 5,659 companies tracked

RevenueBase identified 5,659 company matches for digital advertising law firms worldwide as of September 2026 and tracks 47,226 professional contacts across them, including 14,329 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for digital advertising law firms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026. Country and city lists for digital advertising law firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

5,659Companies

47,226Contacts tracked

14,329Verified emails

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The 25 largest digital advertising law firms worldwide

Ranked by team size

Top 25 of 5,659 company matches for digital advertising law firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Venable LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,790 contacts →
	Exact match “Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Ballard Spahr LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,682 contacts →
	Exact match “Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Finnegan, Henderson, Farabow, Garrett & Dunner, LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	501-1,000	936 contacts →
	Exact match “When your most valuable assets are ideas, innovation, and brand-you need the best.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Knobbe Martens	Exact match	Irvine, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	606 contacts →
	Exact match “Knobbe Martens protects the ideas that drive innovation and propel our world forward.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Wiley Rein LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	501-1,000	576 contacts →
	Exact match “Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Marcelo Tostes Advogados	Exact match	Sao Paulo, BrazilHQ recorded Sep 28, 2026	201-500	518 contacts →
	Exact match “Fundado em o Marcelo Tostes Advogados firmou-se como um escritório de advocacia empresarial de excelência.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Tombras	Exact match	Knoxville, TN, United StatesHQ recorded Sep 28, 2026	201-500	496 contacts →
	Exact match “Tombras is a 450+ person, full-service agency with a digital mindset.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Licks Attorneys	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 28, 2026	201-500	335 contacts →
	Exact match “Licks Attorneys is a top-tier Brazilian law firm widely recognized for successfully handling large and strategic Intellectual Property, Life Sciences, Food & Drug, Regulatory…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	VON Briesen & Roper, S.C	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 28, 2026	201-500	327 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Lathrop Gage	Exact match	Kansas City, MO, United StatesHQ recorded Sep 28, 2026	501-1,000	283 contacts →
	Exact match “Lathrop Gage clients are the backbone of our economy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Irell & Manella LLP	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 28, 2026	201-500	258 contacts →
	Exact match “Irell & Manella LLP is a law firm focused on complex commercial and IP litigation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Davis Gilbert LLP	Exact match	New York, United StatesHQ recorded Sep 28, 2026	201-500	247 contacts →
	Exact match “Davis+Gilbert helped guide the development of the marketing communications ecosystem over the past century.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	EPA Digital	Exact match	Polanco, MexicoHQ recorded Sep 28, 2026	51-200	242 contacts →
	Exact match “We are a digital advertising agency specializing in Performance, Branding, Creativity and Consulting of CRO, Analytics and Google Ads.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Perez DE Rezende Advogados	Exact match	Sao Paulo, BrazilHQ recorded Sep 28, 2026	201-500	230 contacts →
	Exact match “Com mais de 40 anos de história, a Perez de Rezende Advogados se posiciona como uma empresa dinâmica, eficiente e que preza pela qualidade em seus serviços, tendo conquistado o…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Mullen Coughlin LLC	Exact match	Devon, PA, United StatesHQ recorded Sep 28, 2026	201-500	213 contacts →
	Exact match “Founded by John F.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Opice Blum Advogados Associados	Exact match	São Paulo, BrazilHQ recorded Sep 28, 2026	51-200	183 contacts →
	Exact match “Somos o parceiro estratégico em Direito Digital que transforma tendências em novas possibilidades, alavancando empresas em direção ao futuro e transformando realidades – das…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Munck Wilson Mandala LLP	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	51-200	180 contacts →
	Exact match “Munck Wilson Mandala is a technology-focused law firm with offices in Dallas, Austin, Houston, Waco, Texas; Los Angeles, California; and South Florida.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Ictrecht	Exact match	Amsterdam, NetherlandsHQ recorded Sep 28, 2026	51-200	161 contacts →
	Exact match “ICTRecht legal services specializes in Internet and IT law and intellectual property.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Mcginnis Lochridge	Exact match	Austin, TX, United StatesHQ recorded Sep 28, 2026	51-200	160 contacts →
	Exact match “For almost 100 years, McGinnis Lochridge has served to protect the interests of our clients in continuously changing landscapes including cutting-edge technology, oil and gas…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	BC WEB Wise	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	51-200	160 contacts →
	Exact match “BC Web Wise Pvt.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Leydig, Voit & Mayer, LTD	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	51-200	157 contacts →
	Exact match “Leydig, Voit & Mayer remains at the forefront of intellectual property law, providing advice and counsel in intellectual property litigation, licensing, and prosecution services…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	rankings.io	Exact match	Marion, IL, United StatesHQ recorded Sep 28, 2026	51-200	154 contacts →
	Exact match “Rankings.io was founded with one mission: to help personal injury law firms dominate their markets through performance-driven marketing.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Martindale-Avvo	Exact match	El Segundo, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	148 contacts →
	Exact match “Martindale-Avvo comprises the online legal brands Martindale-Hubbell, Martindale-Nolo, Ngage, Captorra, and Avvo, and connects attorneys with millions of prospective clients every…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	CJ Advertising	Exact match	Nashville, TN, United StatesHQ recorded Sep 28, 2026	51-200	148 contacts →
	Exact match “Located in the heart of downtown Nashville, cj Advertising is a full-service ad agency that exclusively serves personal injury brands.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Consumer Attorney Marketing Group, Inc. Camg	Exact match	Woodland Hills, CA, United StatesHQ recorded Sep 28, 2026	201-500	143 contacts →
	Exact match “Consumer Attorney Marketing Group (CAMG) is a full service Marketing Agency made up of experts in Direct Response Marketing.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “digital advertising law firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 5,659 digital advertising law firms worldwide

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Digital advertising law firms worldwide at a glance

As of Sep 28, 2026

30.3%Verified-email coverage

8.3Average contacts per company

1-10Median size (employees)

3.4%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

4,173

11-50

1,274

51-200

149

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for digital advertising law firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “digital advertising law firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 14,329 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Digital advertising law firms by location

40 lists · largest first

Every Digital advertising law firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “digital advertising law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many digital advertising law firms are there worldwide?

RevenueBase identified 5,659 company matches for digital advertising law firms worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Venable LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most digital advertising law firms?

The United States leads with 1,273 companies, followed by Brazil (671) and India (316). Every digital advertising law firms list by country and city is linked on this page.

Which city has the most digital advertising law firms?

Sao Paulo leads with 194 company records, followed by Paris (136) and New York (87).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 14,329 professional contacts with verified work emails tracked across these 5,659 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.